Home / 14,822.12-20,434.51-9,507.71

Finding the Fourth Proportional to 14,822.12, 20,434.51 and 9,507.71

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Solution

The fourth proportional to 14,822.12, 20,434.51 and 9,507.71 is: 13,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,822.12 : 20,434.51 = 9,507.71 : x
  2. Step 2: Convert to fraction form
    14,822.12/20,434.51 = 9,507.71/x
  3. Step 3: Cross multiply
    14,822.12x = 20,434.51 × 9,507.71
  4. Step 4: Simplify right side
    14,822.12x = 194,285,395.07
  5. Step 5: Solve for x
    x = 194,285,395.07/14,822.12
  6. Step 6: Final answer
    x = 13,107.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.